5143 Heracles (1991 VL)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7711709670 ± 6.95e-09
Semi-major axis (a)1.8347564263 AU ± 8.81e-10
Inclination (i)8.97896809° ± 6.58e-07
Long. of Asc. Node (Ω)309.09682018° ± 6.17e-06
Arg. of Perihelion (ω)228.20701038° ± 5.99e-06
Mean Anomaly (M)204.11730697° ± 8.55e-07
Mean Motion (n)0.3965926397°/day ± 2.86e-10
Perihelion dist (q)0.41984554 AU ± 1.28e-08
Aphelion dist (Q)3.24966731 AU ± 1.28e-08
Orbital Period2.48523594 yr ± 1.79e-09
Physical Parameters
H (abs. magnitude)14.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.196″
Uncertainty0
Orbit TypeApollo
MOID0.057437 AU
Observations Used4548
Radar Obs Used1
Gaia Obs Used175
Oppositions38
Arc Total1953-2026
First Observation Used1953-11-30
Last Observation Used2026-01-01
Observations (4888)
Date Type RA Dec Mag Band Observatory
2023-08-27 11:13:15 C 01 18 34.668 +19 29 43.84 X F51
2023-08-27 11:22:34 C 01 18 34.434 +19 29 44.15 X F52
2023-08-27 11:27:16 C 01 18 34.304 +19 29 44.33 X F51
2023-08-27 11:36:31 C 01 18 34.060 +19 29 44.71 X F52
2023-08-27 11:41:14 C 01 18 33.937 +19 29 44.88 X F51
2023-08-27 11:55:16 C 01 18 33.572 +19 29 45.39 X F51
2023-08-27 12:01:11 C 01 18 33.418 +19 29 46.00 V T05
2023-08-27 12:03:47 C 01 18 33.350 +19 29 45.24 V T05
2023-08-27 12:07:04 C 01 18 33.240 +19 29 46.61 V T05
2023-08-27 12:14:42 C 01 18 33.082 +19 29 45.96 V T05
2023-08-31 14:39:46 C 01 15 49.912 +19 31 44.03 X F51
2023-08-31 14:46:15 C 01 15 49.716 +19 31 44.01 X F51
2023-08-31 14:52:46 C 01 15 49.514 +19 31 44.02 X F51
2023-08-31 15:00:19 C 01 15 49.280 +19 31 44.06 X F51
2023-09-07 01:24:55 B 01 10 35.46 +19 28 33.3 V L65
2023-09-07 01:29:19 B 01 10 35.30 +19 28 32.9 V L65
2023-09-07 01:33:28 B 01 10 35.12 +19 28 32.8 V L65
2023-09-07 08:25:31 C 01 10 19.447 +19 28 18.19 V W68
2023-09-07 08:30:05 C 01 10 19.260 +19 28 17.69 V W68
2023-09-07 08:44:33 C 01 10 18.631 +19 28 17.72 V W68
2023-09-07 09:00:26 C 01 10 18.106 +19 28 16.68 V W68
2023-09-08 10:51:11 C 01 09 18.298 +19 26 49.27 X F51
2023-09-08 11:09:08 C 01 09 17.572 +19 26 48.24 X F51
2023-09-08 11:11:15 C 01 09 17.491 +19 26 48.08 V T05
2023-09-08 11:15:20 C 01 09 17.328 +19 26 47.80 V T05
2023-09-08 11:19:17 C 01 09 17.160 +19 26 47.40 V T05
2023-09-08 11:27:02 C 01 09 16.846 +19 26 47.21 X F51
2023-09-08 11:27:06 C 01 09 16.834 +19 26 47.11 V T05
2023-09-08 11:45:06 C 01 09 16.114 +19 26 46.17 X F51
2023-09-10 10:50:54 C 01 07 21.677 +19 23 34.55 V T05
2023-09-10 10:58:25 C 01 07 21.427 +19 23 33.97 V T05
2023-09-10 11:02:20 C 01 07 21.230 +19 23 33.86 V T05
2023-09-10 11:10:00 C 01 07 20.887 +19 23 33.00 V T05
2023-09-10 22:50:00 C 01 06 51.59 +19 22 35.5 V D48
2023-09-10 23:06:09 C 01 06 50.89 +19 22 34.3 V D48
2023-09-10 23:22:18 C 01 06 50.20 +19 22 33.0 V D48
2023-09-11 01:12:39 B 01 06 45.437 +19 22 23.88 V L65
2023-09-11 01:17:04 B 01 06 45.259 +19 22 23.41 V L65
2023-09-11 01:21:12 B 01 06 45.089 +19 22 22.69 V L65
2023-09-12 10:31:44 C 01 05 19.453 +19 19 29.16 X F52
2023-09-12 10:47:27 C 01 05 18.734 +19 19 27.41 V T05
2023-09-12 10:50:21 C 01 05 18.616 +19 19 27.42 X F52
2023-09-12 10:51:55 C 01 05 18.538 +19 19 27.44 V T05
2023-09-12 10:57:47 C 01 05 18.312 +19 19 26.11 V T05
2023-09-12 11:07:34 C 01 05 17.839 +19 19 25.36 V T05
2023-09-12 11:08:57 C 01 05 17.779 +19 19 25.65 X F52
2023-09-12 11:27:55 C 01 05 16.925 +19 19 23.93 X F52
2023-09-13 04:54:43 C 01 04 30.638 +19 17 44.41 V W68
2023-09-13 05:24:05 C 01 04 29.239 +19 17 41.57 V W68
2023-09-13 05:29:21 C 01 04 29.030 +19 17 40.74 V W68
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-12-03 14:46:00 163730800.42 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)